AppCenter to AppInsights migration. (#562)

* Remove AppCenter usage and libraries.

* Remove redundant pacakges and add the app insights sink.

* Diagnostic id support and manipulating telemetries.

* Handling of appdomain unhandled exceptions.

* Remove unused package identity package from mail project.

* Fixing printing.

Wino.Core.Domain/Interfaces/IPreferencesService.cs

@@ -187,6 +187,7 @@ namespace Wino.Core.Domain.Interfaces
         DayOfWeek WorkingDayStart { get; set; }
         DayOfWeek WorkingDayEnd { get; set; }
         double HourHeight { get; set; }
+        string DiagnosticId { get; set; }
 
         CalendarSettings GetCurrentCalendarSettings();